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Friday, May 27, 2022

Cybersecurity - Cyber Defense Analyst (Wireless) – Intermediate

Cyber Defense Analyst – Intermediate

Clearance: US Citizen with TS/SCI with Poly
Apply for this position: Send a Microsoft Word copy of your resume to:
Job Description:
Zavda was founded in 2006 and is an SDB certified, Service Disabled Veteran Owned, and Woman-owned small business that offers leading IT management, Intel, and Cyber opportunities in both the private and public sectors.  Zavda is looking for a Cyber Defense Analyst II (Wireless) to use information collected from a variety of sources to monitor network activity and analyze it for evidence of anomalous behavior.  Identifies, triage, and reports events that occur to protect data, information systems, and infrastructure.  Finds trends, patterns, or anomaly correlations utilizing security-relevant data.  Recommends proactive security measures.  Conducts analysis to isolate indicators of compromise. Notify designated managers, cyber incident responders, and cybersecurity service provider team members of suspected cyber incidents and articulate the event’s history, status, and potential impact for further action in accordance with the organization’s cyber incident response plan.


  • Use cyber defense tools to monitor, detect, analyze, categorize, and perform initial triage of anomalous activity.
  • Generate cybersecurity cases (including event’s history, status, and potential impact for further action) and route as appropriate.
  • Leverage knowledge of commonly used network protocols and detection methods to defend against related abuses.
  • Apply cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation).
  • Perform advanced manual analysis to hunt previously unidentified threats.
  • Conduct PCAP analysis.
  • Identify cyber-attack phases based on knowledge of common attack vectors and network layers, models, and protocols.
  • Apply techniques for detecting host and network-based intrusions.
  • Working knowledge of enterprise-level network intrusion detection/prevention systems and firewall capabilities.
  • Understand the foundations of a hardened windows network and what native services and protocols are subject to abuse (such as RDP, Kerberos, NTLM, WMI, and SMB).
  • Familiarity with the fragmentation of network traffic and how to detect and evaluate fragmentation-related attacks in raw packet captures.
  • Conduct network –traffic, protocol, and packet-level and netflow analysis for anomalous values that may be security-relevant using appropriate tools (such as Wireshark, tshark, tcpdump).
  • Understand snort filters and how they are crafted and tuned to feed IDS alerting.
  • Understand system and application security threats and vulnerabilities to include buffer overflow, SQL injection, race conditions, covert channel, replay and return-oriented attacks, malicious code, and malicious scripting.
  • Analyze malicious activity to determine weaknesses exploited, exploitation methods, effects on the system, and information.
  • Perform event correlation using information gathered from a variety of sources within the enterprise to gain situational awareness and determine the effectiveness of an observed attack.
  • Familiar with indications of Command and Control (C2) channels and what strategies attackers use to bypass enterprise defenses from a compromised host.

Additionally Required:

  • Wireless certification similar to Certified Wireless Network Administrator (CWNA) to Assessing and Auditing Wireless Networks (GAWN), Certified Wireless Security Professional (CWSP), Offensive Security Wireless Fidelity (OSWP), Cisco Certified Network Associate (CCNA-Wireless), or Cisco Certified Network Professional (CCNP-Wireless).

Education / Experience:

  • Four (4) years of demonstrated experience as CDA in programs and contracts of similar scope, type, and complexity required. A technical bachelor's degree from an accredited college or university may be substituted for two (2) years of CDA experience on projects of similar scope, type, and complexity.
  • One (1) year of demonstrated and practical experience in TCP/IP fundamentals.
  • One (1) year of demonstrated experience with tcpdump or Wireshark.
  • Two (2) years of demonstrated experience using security information and event management suites (such as Splunk, ArcSight, Kibana, LogRhythm).
  • Two (2) years of demonstrated experience in network analysis and threat analysis software utilization.
  • Requires DoD 8570 compliance with CSSP Analyst baseline certification, Information Assurance Technical (IAT) Level I or Level II certification, and Computing Environment (CE) certification

Job Location:

  • Fort Meade, MD

Zavda is a small business and an equal opportunity employer- Veteran/Female/Minorities/Individuals with Disabilities.  With Zavda you have the opportunity to provide dependable solutions and support that benefit the national security missions.  Zavda prides itself on providing continual professional growth and success for the Zavda Team.

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